Finding the Fourth Proportional to 207.84, 309.51 and 202.68
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Solution
The fourth proportional to 207.84, 309.51 and 202.68 is: 301.83
Step by Step Solution
- Step 1: Write the proportion equation
207.84 : 309.51 = 202.68 : x - Step 2: Convert to fraction form
207.84/309.51 = 202.68/x - Step 3: Cross multiply
207.84x = 309.51 × 202.68 - Step 4: Simplify right side
207.84x = 62,731.49 - Step 5: Solve for x
x = 62,731.49/207.84 - Step 6: Final answer
x = 301.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.